A secondary isotopic reference material of chlorine from selected seawater |
| |
| Institution: | 1. Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA;1. Rock–Water Interaction, Institute of Geological Sciences, University of Bern, Baltzerstrasse 3, 3012, Bern, Switzerland;2. Paul Scherrer Institut PSI, 5232 Villigen, Switzerland;3. Hydroisotop GmbH, Woelkestrasse 9, 85301 Schweitenkirchen, Germany;1. Departamento de Química, Universidade Federal de Santa Catarina, 88040-970 Florianópolis, SC, Brazil;2. INCT de Energia e Ambiente do CNPq, Brazil |
| |
| Abstract: | A secondary isotopic reference material of chlorine as NaCl collected from a sea water, located at 4°18′N, 161°08′E and collected on October 22, 1994, was prepared using ion exchange technique. The δ37Cl of an NaCl product named ISL 354 was measured to be ?0.39±0.05‰ (2σ) related to NIST SRM 975, an isotopic standard reference material with an absolute 37Cl/35Cl ratio of 0.31977. No contamination or isotopic fractionation was observed due to a complete recovery of chlorine and the avoidance of chemical reagents during preparation of ISL 354 from selected seawater. The isotopic composition of chlorine in ISL 354 does not change on long-term storage. So ISL 354 can be used as a secondary isotopic reference material of chlorine. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
